Lunas de la voz ausente

"El cuerpo humano está formado por diversos sistemas muy complejos: el circulatorio, el respiratorio, el linfático, el digestivo, el nervioso ... Y todos tienen que trabajar en perfecta sincronía para mantenernos con vida y funcionando como lo hacemos. Este libro nos lleva en una fascinante travesía a través de nuestra propia esencia, para que podamos no sólo comprender, sino gozar un viaje asombroso a través de la máquina más importante y sorprendente: el cuerpo humano."--Publisher.

Engage readers' interests and imagination. These award-winning biographies feature the breathtaking, illustrations for which the On My Own books are known. Written in story format, each book features pivotal episodes that reveal what kind of person the subject is (or was) and how he or she came to be famous.

During the summer, it is warm outside. During the winter, it is cold. This is because of seasons. This Spanish science reader introduces students to the seasons. With easy-to-read text and vivid images, this book teaches students important scientific subjects and vocabulary terms like migrate, hibernate, cycle, and harvest. Aligned to state and national standards, the book contains nonfiction text features like an index, a glossary, captions, and bold font to keep students connected to the text. A hands-on science experiment helps students apply what they have learned and develops critical...

Discover how the heart and lungs work together to keep the blood flowing and the body breathing in this book that provides pictures of real hearts and lungs and accompanying diagrams. Readers will learn about circulation and breathing as well as related vocabulary.